it's called a la carte pricing. cruise companies and hotels are increasingly using the pricing tactic. look out for charges that creep unexpectedly into your bill. that newspaper outside your room door may not be free. you may want to think twice before reaching for that mini bar snack. you could be charged for the item and a mandatory restocking fee. what's a traveler to do? resign one's self to a stay-indicatiostay hie stay-cation? >> ask at the time the reservation is made. say to the agent in addition to the ram and tax charges -- the room and tax charges, will there be fees or surcharges automatically added? >> reporter: more mobile apps will be added to make traveling easier. paper tickets are slowly disappearing, and gas prices are expected to drop from $3.63 a gallon in 2012 to $3.43 a gallon this year, giving travelers at least one road to savings. for "today," nbc news, new york. >>> up next, from getting enough shuteye to his signature green drink, dr. oz shares his secrets for staying healthy. [ rosa ] i